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The direct impetus for the uncertainty principle was a letter from Pauli

The direct impetus for the uncertainty principle was a letter from Pauli

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The direct impetus for the uncertainty principle was a letter from Pauli. Max Born had  started things with his statistical interpretation of Schr ö dinger's wave equation. He  treated the function as a probability wave, rather than a matter wave, as Schr ö dinger  had proposed. Pauli theorized from this statistical interpretation the existence of a "dark  point," where we cannot exactly observe the path of a particle. This meant that if the  position of the particle were controlled, then its momentum had to be uncontrolled. Heisenberg extended this idea to focus not on an uncontrollable variable but rather the  indeterminacy of both in a reciprocal manner. That is, the more accurately we measure  one variable, the less accurately it will be possible to measure the other. The reason for 
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